Primary Source Microfilm (Firm) & Gale Group. (2003). International population census publication. Primary Source Microfilm, an Imprint of the Gale Group.
Chicago-referens (17:e uppl.)Primary Source Microfilm (Firm) och Gale Group. International Population Census Publication. [Woodbridge, Conn.]: Primary Source Microfilm, an Imprint of the Gale Group, 2003.
MLA-referens (8:e uppl.)Primary Source Microfilm (Firm) och Gale Group. International Population Census Publication. Primary Source Microfilm, an Imprint of the Gale Group, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.